①36×25=
②843÷6=
③624÷4=
④41.3-6.7=
☆
63÷3=
39×2=
560÷8=
450÷5=
0÷5=
25×4=
21×40=
150×6=
20×50=
2000÷2=
29×11≈
500÷7≈
98÷7=
537÷6=
*321÷3=
75÷3=
807÷6=
*490÷8=
①40×67=
②★38×96=
③20.2-9.3=
④14×23=
8×<71 ×4<26 ×7<222 6×<318
验算:
②1.25×0.25×32